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authorJ. Bruce Fields <bfields@redhat.com>2011-09-16 18:56:20 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-09-17 10:31:16 -0400
commit2da1cec713bc6d3ec9732e7d48b8bc0453580fd3 (patch)
treeff00317454df850f2e06ceaa4dabb84e64e3cc5f /fs/nfsd
parent38c387b52d8404f8fd29d8c26bebc83a80733657 (diff)
downloadop-kernel-dev-2da1cec713bc6d3ec9732e7d48b8bc0453580fd3.zip
op-kernel-dev-2da1cec713bc6d3ec9732e7d48b8bc0453580fd3.tar.gz
nfsd4: simplify free_stateid
We no longer need is_deleg_stateid, for example. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c66
1 files changed, 15 insertions, 51 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a174841..fdd03f6 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1098,16 +1098,6 @@ static struct nfs4_stid *find_stateid(stateid_t *t)
return NULL;
}
-static struct nfs4_ol_stateid *find_ol_stateid(stateid_t *t)
-{
- struct nfs4_stid *s;
-
- s = find_stateid(t);
- if (!s)
- return NULL;
- return openlockstateid(s);
-}
-
static struct nfs4_stid *find_stateid_by_type(stateid_t *t, char typemask)
{
struct nfs4_stid *s;
@@ -3251,11 +3241,6 @@ static int check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_sess
return nfserr_old_stateid;
}
-static int is_delegation_stateid(stateid_t *stateid)
-{
- return stateid->si_fileid == 0;
-}
-
__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
{
struct nfs4_stid *s;
@@ -3353,16 +3338,6 @@ out:
}
static __be32
-nfsd4_free_delegation_stateid(stateid_t *stateid)
-{
- struct nfs4_delegation *dp = find_deleg_stateid(stateid);
- if (dp)
- return nfserr_locks_held;
-
- return nfserr_bad_stateid;
-}
-
-static __be32
nfsd4_free_lock_stateid(struct nfs4_ol_stateid *stp)
{
if (check_for_locks(stp->st_file, lockowner(stp->st_stateowner)))
@@ -3382,40 +3357,32 @@ nfsd4_test_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return nfs_ok;
}
-/*
- * Free a state id
- */
__be32
nfsd4_free_stateid(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd4_free_stateid *free_stateid)
{
stateid_t *stateid = &free_stateid->fr_stateid;
- struct nfs4_ol_stateid *stp;
- __be32 ret;
+ struct nfs4_stid *s;
+ __be32 ret = nfserr_bad_stateid;
nfs4_lock_state();
- if (is_delegation_stateid(stateid)) {
- ret = nfsd4_free_delegation_stateid(stateid);
- goto out;
- }
-
- stp = find_ol_stateid(stateid);
- if (!stp) {
- ret = nfserr_bad_stateid;
- goto out;
- }
- ret = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, 1);
- if (ret)
+ s = find_stateid(stateid);
+ if (!s)
goto out;
-
- if (stp->st_stid.sc_type == NFS4_OPEN_STID) {
+ switch (s->sc_type) {
+ case NFS4_DELEG_STID:
ret = nfserr_locks_held;
goto out;
- } else {
- ret = nfsd4_free_lock_stateid(stp);
- goto out;
+ case NFS4_OPEN_STID:
+ case NFS4_LOCK_STID:
+ ret = check_stateid_generation(stateid, &s->sc_stateid, 1);
+ if (ret)
+ goto out;
+ if (s->sc_type == NFS4_LOCK_STID)
+ ret = nfsd4_free_lock_stateid(openlockstateid(s));
+ else
+ ret = nfserr_locks_held;
}
-
out:
nfs4_unlock_state();
return ret;
@@ -3698,9 +3665,6 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
status = nfserr_stale_stateid;
if (STALE_STATEID(stateid))
goto out;
- status = nfserr_bad_stateid;
- if (!is_delegation_stateid(stateid))
- goto out;
status = nfserr_expired;
dp = find_deleg_stateid(stateid);
if (!dp)
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